During WW2, French aircraft manufacturer Amiot produced several hundred Junkers Ju 52 for the German war effort, and after the war continued producing identical aircraft--now renamed Amiot AAC.1 Toucan--for the Armée de l'Air. Meanwhile, in Germany itself, production of the newer Ju 252 stopped after only 15 had been assembled, and Junkers was instructed to instead produce the 352, which required fewer strategic materials.

So what if, instead of canceling the 252, Germany had licensed its production to Amiot, either in supplement to, or instead of, the Ju 52? As was the case OTL for the 52, Amiot could have gone on producing the 252 after the war under its own name, giving the plane a further lease on life.

A related query is whether, as an extra measure of economy, the French-made 252 might have been fitted with locally available Hispano-Suiza 12Y powerplants? It wouldn't have been the only German plane using French engines--the Messerschmitt Me 323 Gigant comes to mind.

Production of the 252 was stopped on economic reasons - they decided it used too much metal and so forced Junkers to redesign it in largely timber as the 352. Now, unless France has, in 1943-44, access to some unknown source of aluminium and other metals, I really cannot see this happening under German control. The 352 might be a better choice...

The engines are an interesting choice though, I'll admit. I think though, the SNECMA 14R (originally Gnome-Rhône 14R) radial engine would be a better choice than the Hispano-Suiza 12Y.

352 is definitely a better idea for manufacture but captured 252s is certainly possible, although I don't think there were any by the end of the war. There were at least two 352s flying post war - one with the RAF and another with the Czechs.

Spanish, Swedish or Finnish markings are also possible.

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Production of the 252 was stopped on economic reasons - they decided it used too much metal and so forced Junkers to redesign it in largely timber as the 352. Now, unless France has, in 1943-44, access to some unknown source of aluminium and other metals, I really cannot see this happening under German control. The 352 might be a better choice...

Well, France did produce a few hundred all-metal Ju 52, so the materials were there, they could simply be reallocated to the production of the more advanced plane. But we can certainly imagine that Amiot is instructed to go with the 352 on top of its 52 production line. Whichever is more plausible.

engines are an interesting choice though, I'll admit. I think though, the SNECMA 14R (originally Gnome-Rhône 14R) radial engine would be a better choice than the Hispano-Suiza 12Y.

For the engines, I figured that the 12Y is the closest thing in the French inventory to the original BMW Jumo 211F, but the 14R is definitely a possibility as well. I'll defer to those with more expertise than I have on vintage powerplants.

Production of the 252 was stopped on economic reasons - they decided it used too much metal and so forced Junkers to redesign it in largely timber as the 352. Now, unless France has, in 1943-44, access to some unknown source of aluminium and other metals, I really cannot see this happening under German control. The 352 might be a better choice...

Well, France did produce a few hundred all-metal Ju 52, so the materials were there, they could simply be reallocated to the production of the more advanced plane. But we can certainly imagine that Amiot is instructed to go with the 352 on top of its 52 production line. Whichever is more plausible.

engines are an interesting choice though, I'll admit. I think though, the SNECMA 14R (originally Gnome-Rhône 14R) radial engine would be a better choice than the Hispano-Suiza 12Y.

For the engines, I figured that the 12Y is the closest thing in the French inventory to the original BMW Jumo 211F, but the 14R is definitely a possibility as well. I'll defer to those with more expertise than I have on vintage powerplants.

The Jumo 211f was rated at 1,322 hp (I assume on take off). It was produced by Junkers, not BMW.The SNECMA 14R was rated at 1,590 hpHispano-Suiza 12Y was rated at 1,000 hp in it's most developed version.

The 12Y was less powerful than the 211. The 14R was more powerful. Personally, I've always believed the more power from an engine, the better off the aircraft will perform.

The Bramo 323 installation of the 352 is probably your best guide as to appearance of a roughly similar sized radial installation. The real world difference in engine diameter makes no difference on a model.